SQL Query To Check The Conflicts in Column

Example:

Code      Name         Bill Amt

1             sam              1

2              Railey          21

3               VJ               9

19            Alex             5

19            Alex            20

19            Alex S.        10

19            S. Alex         31

1              Alex S           5

2               Betty            13

2               K.Betty          17

Now i want to show only Name And Code Which Has Conflicts

Code      Name        

19            Alex

19            Alex S.

19            S. Alex

2               Betty

2               K.Betty